buildasign.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
buildasign.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 13:52:45 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx5.googlemail.com
  • aspmx4.googlemail.com
  • ms39202436.msv1.invalid
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com

MX Priorities

  • aspmx5.googlemail.com: 10
  • ms39202436.msv1.invalid: 20
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • aspmx4.googlemail.com: 10

A / AAAA Records

  • 3.171.117.71 ↩ server-3-171-117-71.jfk50.r.cloudfront.net
  • 3.171.117.124 ↩ server-3-171-117-124.jfk50.r.cloudfront.net
  • 3.171.117.127
  • 3.171.117.39

Mail Server IPs

  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net

SOA Record

Raw SOA ns-591.awsdns-09.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-591.awsdns-09.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-239.awsdns-29.com
ns-591.awsdns-09.net
ns-1045.awsdns-02.org
ns-1830.awsdns-36.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:cust-spf.exacttarget.com include:sendgrid.net include:mg-spf.greenhouse.io ip4:12.169.10.202 ip4:24.153.213.43 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; fo=0; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

11 records
  • atlassian-domain-verification=qBaRbCjpCV8tAJDa0Gr93iqYaDTwqdmwHL7dqXF6lhjlGPt0Do54OHwZGmhZcSdt
  • duo_sso_verification=E7srWVucEYR41wYUalorsAdmNQGaajGXc5AumCUFSQwbJT9G2dBOSB1m04t1zsoy
  • facebook-domain-verification=qlj42ft3z7yfy1ygaiacd8yhsqwbh0
  • google-site-verification=3TDA6fISXJmqmM7L1uwEx_apwmnA7W3m2-0KxVQsKuM
  • google-site-verification=CB73wDevuhcewRf6psD5K02Ljhem_U_2hj2deRChlo4
  • google-site-verification=n-Bgk0crXwa0plnwq6CVuoztbVaspvj3TIIBSI-sgHo
  • google-site-verification=swgD0snPJxlhrvG6CzGP1kKDbuff4r4ziWBuHWpI0Kk
  • include:44473528.spf05.hubspotemail.net
  • SPFv=spf1 include:_spf.google.com include:cust-spf.exacttarget.com include:sendgrid.net include:mg-spf.greenhouse.io ip4:12.169.10.202 ip4:24.153.213.43 ~all
  • 10a7cdd970fe135cf4f7bb55c0e3b59f
  • MS=ms39202436
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